L6470H STMicroelectronics, L6470H Datasheet - Page 46

• Manufacturer Part Number: L6470H
• Description: Motor / Motion / Ignition Controllers & Drivers 8 - 45V 7.0A 1/128 Microstepping SPI
• Manufacturer: STMicroelectronics
• Type: Micro Stepping Motor Driverr
• Series: -r

Specifications of L6470H

• Product: Stepper Motor Controllers / Drivers
• Operating Supply Voltage: 8 V to 45 V
• Supply Current: 0.5 mA
• Mounting Style: SMD/SMT
• Package / Case: HTSSOP-28
• Operating Temperature: - 40 C to + 125 C
• Applications: Stepper Motor Driver, 2 Phase
• Evaluation Tools: *
• Number Of Outputs: 1
• Current - Output: 3A
• Voltage - Load: 8 V ~ 45 V
• Voltage - Supply: 3.3V, 5V
• Mounting Type: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Programming manual
Table 22.
46/64
EXT_CLK
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
The OSC_SEL and EXT_CLK bits set the system clock source:
Oscillator management
The SW_MODE bit sets the external switch to act as HardStop interrupt or not:
Table 23.
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
OSC_SEL[2..0]
External switch hard stop interrupt mode
SW_MODE
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Doc ID 16737 Rev 2
Internal Oscillator: 16MHz
Internal Oscillator: 16MHz
Internal Oscillator: 16MHz
Internal oscillator: 16MHz
Internal oscillator: 16MHz
Ext clock source: 16MHz
Ext clock source: 24MHz
Ext clock source: 32MHz
(Crystal/resonator driver
(Crystal/resonator driver
(Crystal/resonator driver
(Crystal/resonator driver
Ext clock source: 8MHz
External crystal or
External crystal or
External crystal or
External crystal or
resonator: 16MHz
resonator: 24MHz
resonator: 32MHz
resonator: 8MHz
Clock source
disabled)
disabled)
disabled)
disabled)
HardStop interrupt
Switch mode
User disposal
Crystal/reson
Crystal/reson
Crystal/reson
Crystal/reson
Clock source
Clock source
Clock source
Clock source
ator driving
ator driving
ator driving
ator driving
Unused
Unused
Unused
Unused
Unused
OSCIN
Supplies a 16MHz
Crystal/resonator
Crystal/resonator
Crystal/resonator
Crystal/resonator
Supplies inverted
Supplies inverted
Supplies inverted
Supplies inverted
Supplies a 2MHz
Supplies a 4MHz
Supplies a 8MHz
OSCIN signal
OSCIN signal
OSCIN signal
OSCIN signal
OSCOUT
Unused
driving
driving
driving
driving
clock
clock
clock
clock
L6470